16"w X 20"h Aluminum Adjustable Return/Supply HVAC Air Grille Aluminum - Cube Core Each grille is carefully packaged

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

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& EN 13180 standards

Copper coil line set fits most ductless mini split air conditioners

reducing electric bills and extending HVAC machine lifespan

16"w X 20"h Aluminum Adjustable Return/Supply HVAC Air Grille Aluminum - Cube Core Each grille is carefully packaged+ Product Details Size 16"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 85" width X 21. 85" height. High Quality Rigid aluminum construction with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single